Rule Engine Clean Architecture

rule_engine_clean_arch.php

<?php

class ChangeLogisticPartnerInteractor
{
    /** @var ChangeLogisticPartnerValidator */
    private $changeLogisticPartnerValidator;

    public function execute($changeToId)
    {
        // High level Policy
        if (!$this->changeLogisticPartnerValidator->isValid($changeToId)) {
            // Error
        }

        // Success
    }
}

interface ChangeLogisticPartnerValidator
{
    public function isValid($changeToId);
}

// Low level detail
class RuleEngineChangeLogisticPartnerValidator implements ChangeLogisticPartnerValidator
{
    private $ruleEngine;

    public function isValid($changeToId) {
        return $this->ruleEngine->execute(/*...*/);
    }
}